package com.hs.biye.utils;


import java.util.ArrayList;
import java.util.List;

public class WiteListUtils {
    static public final List<String> witeList = new ArrayList<>();


    public static boolean add(String str){
        return  witeList.add(str);
    }

    public static boolean remove(String str){
        return  witeList.remove(str);
    }

    public static boolean isExict(String s){
        return  witeList.contains(s);
    }
}
